Chalkboard tray



FIG. 1 is a top, left front perspective view of a chalkboard tray showing my new design, the fragmentary portion of a chalkboard being depicted by means of broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a front elevational view thereof. 

I claim the ornamental design for a chalkboard tray, as shown and described. 